Effects of a Sedentary Behaviors at Work on Health in Emergency Medical Dispatchers and CODIS Operators (SECODIS)

The purpose of the study is to study changes in sedentary behavior following a behavioral intervention (sit-and-stand desk, and cycloergometer)

Inclusion Criteria: * Emergency medical dispatchers, Operators of Non-Scheduled Care (OSNP), Ambulance Coordinators (COAM) or firefighters from the departmental fire and rescue operational center (CODIS). * Person able to give an informed consent to participate in research * Affiliated with a Social Security scheme. * Being able to use the sit-stand desk and the cycle ergometer Exclusion Criteria: * Non-affiliated to a health insurance, * Protected persons (minors, pregnant women, breastfeeding women, guardianship, curatorship, deprived of freedoms, safeguard of justice), * Refusal to participate. * History of PTSD. * History of psychiatric disorders.